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I was just researching how to make a proper logout form, seems easy enough. I noticed that a lot of the examples started with session_start(). Are they saying to start it again before destroying it? I don't understand those examples, also a few examples didn't even destroy it but just unset() everything.

I also moved my session_start() from config.php to my login handler, it seemed more logical to me.

So 2 questions: What IS the proper way to handle a logout - a) start session again to destroy it right away b) just destroy it c) simply unset everything?

My heart chooses b) but I've been wrong many times with things that I thought made sense.

Also, the session_start() - config.php or login.php? Is there a performance or security difference I should be considering?

Good weekend to you all. TIA for responses.

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